What Happens If The Left Side Cerebral Artery Is Occluded?

Brain damage due to cerebral vascular occlusion is called stroke . The brain consists of the right and left hemispheres. Left-sided cerebrovascular occlusion affects the left hemisphere of the brain. The left cerebral hemisphere is dominant in 90% of people. In other words, the left brain hemisphere is mostly responsible for speaking, writing, understanding the spoken and read expressions. The right cerebral hemisphere is superior at analyzing visuospatial and tactile signals and distinguishing intonations. Speech and comprehension problems, that is, language-related problems, are more common in patients with right-sided paralysis.

Damage to the left hemisphere of the brain causes weakness in the muscles on the right side of the body. This is called hemiplegia or hemiparesis. “Plegia” means complete paralysis, “paresis” means partial paralysis. Right arm, leg and facial muscles may become weak in left-sided cerebral vascular occlusion. Depending on the occluded vessel, only the arm, only the leg or face, or all of them may be affected. Weakness or complete immobility of one half of the body occurs in 80% of strokes.

What causes arterial occlusion in the left side of the brain?

Causes such as high blood pressure, vascular calcification (atherosclerosis), high cholesterol, diabetes, smoking, and heart rhythm disorders increase the risk of cerebral vascular occlusion. Advanced age and genetics are also among the risk factors.

How does vascular occlusion on the left side of the brain show?

  • Weakness (partial paralysis) or complete loss of movement (complete paralysis) on the right side of the body. The muscles on the right side of the face, right arm and leg muscles may be affected. When the left middle cerebral artery (left MCA) is occluded, the right half of the face and right arm are more affected. The right leg is more affected when the left anterior cerebral artery (right ACA) is occluded.
  • numbness on the right side of the body
  • Visual impairment. The left half of the visual field of both eyes may be lost. You can think of it as if only the left side of both glasses of a pair of glasses were closed. This problem is called hemianopia.
  • Speech and language disorders may occur. This is called aphasia .
  • There may be problems recognizing objects (agnosia).
  • There may be clumsiness in daily activities that were easily performed before (apraxia). They move slowly.
  • Memory for verbal things may be impaired.
  • Analytical thinking, computational ability may be impaired. May falter in matters of numbers and money.
  • It may be difficult to establish a cause-effect relationship and to order events.
  • It can confuse left and right.
  • He is aware of his illness. In right-sided cerebral vascular occlusion, patients may lose their insight, that is, they may not be aware of their disease. However, people with vascular occlusion on the left side of the brain are aware of their problems. Because of this, they may lose their self-confidence, worry, and withdraw. The risk of falling into depression is high.
Read More  Balance Disorder in Stroke Patients

Treatment of cerebral artery occlusion on the left side

Weakness in the right arm and leg, numbness, falling on the right side of the face, speech and understanding disorders are the symptoms that indicate cerebrovascular occlusion on the left side. When a person is suspected of having a stroke, 112 should be called immediately and the patient should be brought to the health institution immediately. Because patients who are transported to the stroke center within the first hours, if their condition is suitable, can be given clot-dissolving drugs and they can overcome the stroke more easily. In the first days, the patient’s life is in danger, the treatments are aimed at keeping the patient alive and overcoming the stroke with the least damage. Then, the cause and risk factors of cerebral vascular occlusion are determined and treatments to prevent recurrence of stroke are started. From the second day, physical therapy and rehabilitation applications are started. In the first days, range of motion exercises, positioning, Preventive physical therapy approaches such as breathing exercises are at the forefront. Then, when the patient recovers a little, the intensive rehabilitation process for recovery and returning to the old life comes.Stroke rehabilitation is a team effort and it is applied most efficiently if it is done in physical therapy and rehabilitation clinics specialized in this field. Neurorehabilitation techniques are used for the treatment of stroke and stroke. With robotic devices, walking, arm and leg exercises can be done intensively with plenty of repetitions in the early period. In the treatment of left-sided cerebral vascular occlusion, the family has a great role to play.

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